Explain the difference between dw and bi?
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What are aggregate fact tables ? why they are needed? give an example
What is metadata in context of a datawarehouse and how it is important?
WHAT IS FACT LESS FACT TABLE?
Explain some of modeling tools available in the market?
How can you communicate with web server (apache or iis) from coldfusion?
What are situations where snow flake schema is better than star schema to use and when the opposite is true?
What is a real-time data warehouse?
What is a look up function? What is default transformation for the look up function?
What Oracle tools can be used to design and build a W/H?
How many repositories can we create in Informatica?
Explain the different types of data warehousing?
How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id 347 what is hybrid slowly changing dimension?